CN216974857U - Tunnel lining vibrating device - Google Patents

Abstract

The utility model provides a tunnel lining vibrating device, which comprises an end head template, a vibrating mechanism and a vibrating mechanism, wherein the end head template is arranged at the end part of a lining main body; a guide rod runner inserted into the lining body from an end of the lining body in an extending direction of the lining body; and the vibrating rod is inserted into the lining main body from the end part of the lining main body along the guide rod sliding groove. According to the utility model, the end template is arranged at the end part of the tunnel lining, the guide rod sliding groove and the vibrating rod are inserted from the end part of the tunnel lining, the vibrating rod is embedded in the tunnel lining, and the vibrating rod is extracted from the end part of the tunnel lining for vibrating, so that the arch part and each part of the tunnel lining can be vibrated, the problem that steel plates laid on the outer side of the lining cannot be constructed normally by vibrating is solved, and the vibrating efficiency is improved; meanwhile, the defect that the traditional vibrating depth is limited is overcome by vibrating from the end part of the lining, the normal vibrating of the thicker lining can be realized, the application range is wide, and the construction efficiency is high.

Description

Tunnel lining vibrating device

Technical Field

The utility model relates to the technical field of lining construction, in particular to a tunnel lining vibrating device.

Background

Tunnel lining refers to a permanent structure that supports and maintains the long-term stability and durability of a tunnel. The tunnel is used for supporting and maintaining the stability of the tunnel, keeping the space required by the train operation, preventing surrounding rocks from weathering, eliminating the influence of underground water and the like. Therefore, the tunnel lining must have sufficient strength, durability, and certain resistance to freezing, permeability, and erosion. In the tunnel lining construction process, the concrete can generate bubbles in the casting process, the cast concrete must be vibrated, the bubbles are removed, and tamping is carried out, so that the concrete is combined compactly, the phenomena of honeycomb pitted surface and the like of the concrete are eliminated, the strength of the concrete is improved, and the quality of a concrete member is ensured.

The current tunnel lining is mostly constructed by adopting a lining trolley, and the vibration modes are mainly two types: insert type vibration and attachment vibrator vibration. The plug-in vibrator vibrates the lining concrete through a reserved window on the lining trolley, and the attached vibrator vibrates the lining concrete by attaching the attached vibrator to the lining trolley. However, both of the two vibration modes are insufficient, the insertion type vibration is limited by a window on the trolley, the tunnel arch portion vibration cannot be carried out, and when the vibration cannot be carried out from the window due to various reasons, the mode cannot be realized, for example, when a layer of steel plate is laid on the outer side of the whole lining. In addition, the method is influenced by the tie bars in the lining reinforcing steel bars in the tunnel, the bars are difficult to throw and are easy to clamp in the reinforcing steel bars and cannot be drawn out. The attached vibrator is limited by the vibrating depth, the vibrating depth is generally 20-25 cm, the high-power attached vibrator has high power, the requirement on temporary power utilization in construction is high, and the influence on a trolley is large; when the lining thickness is about 100cm, the attached vibrator can not meet the vibrating requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a tunnel lining vibrating device, which is used for solving the defects that the inserted vibrating can not carry out tunnel arch vibrating and the tension rib influences the easy blocking of the tunnel arch in the prior art, and the defect that the attached vibrator is difficult to realize the vibrating operation of thicker lining, and realizing the efficient construction of tunnel lining vibrating.

The utility model provides a tunnel lining vibrating device, comprising:

the end head template is arranged at the end part of the lining main body;

a guide rod chute inserted into the lining main body from an end of the lining main body in an extending direction of the lining main body;

and the vibrating rod is inserted into the lining main body from the end part of the lining main body along the guide rod sliding groove.

According to the tunnel lining vibrating device provided by the utility model, the lining main body comprises the lining main ribs arranged along the lining surface, the lining distribution ribs arranged along the lining extending direction and the lining tie bars vertically connecting the lining main ribs and the lining distribution ribs, and the tie bar sliding grooves are horizontally arranged on the lining tie bar plane.

According to the tunnel lining vibrating device provided by the utility model, one end of the guide rod sliding chute is arranged on the end head template, and the other end of the guide rod sliding chute is arranged on the lining lacing wire far away from the end head template.

According to the tunnel lining vibrating device provided by the utility model, the guide rod sliding groove is in a semi-cylindrical surface shape, and the diameter of the guide rod sliding groove is larger than that of the vibrating rod.

According to the tunnel lining vibrating device provided by the utility model, the length of the guide rod sliding chute is not less than the length of the lining main body in the extending direction.

According to the tunnel lining vibrating device provided by the utility model, the end head templates are arranged at the end part of the lining main body in a segmented manner, and each end head template is provided with the corresponding guide rod sliding groove and the corresponding vibrating rod.

According to the tunnel lining vibrating device provided by the utility model, the end templates are arranged at equal intervals, and the intervals are 50 cm.

According to the tunnel lining vibrating device provided by the utility model, the end template is arranged at the end part of the tunnel lining, the guide rod sliding groove and the vibrating rod are inserted from the end part of the tunnel lining, the vibrating rod is embedded in the tunnel lining, and the vibrating rod is extracted from the end part of the tunnel lining for vibrating, so that the arch part and each part of the tunnel lining can be vibrated, the problem that steel plates laid on the outer side of the lining cannot be constructed normally is solved, and the vibrating efficiency is improved; meanwhile, the defect that the traditional vibrating depth is limited is overcome by vibrating from the end part of the lining, the normal vibrating of a thicker lining can be realized, the method is also suitable for the conditions that the section of the lining is complex in change and the thickness of the lining is complex or uneven, and the method has the characteristics of convenience and quickness in construction, wide application range, high construction efficiency, strong operability and the like.

Drawings

In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic end view of a tunnel lining tamper apparatus according to the present invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a sectional view B-B of fig. 1.

Reference numerals are as follows:

1: an end template; 2: a rod guiding chute; 3: vibrating a rod;

4: lining the body; 41: lining the main reinforcement; 42: lining distribution ribs;

43: and (6) lining the lacing wire.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to fig. 3, an embodiment of the present invention provides a tunnel lining vibrating device, the device is disposed corresponding to a tunnel lining main body 4, the tunnel lining main body 4 is composed of a lining main rib 41 arranged along a lining profile, a lining distribution rib 42 arranged along a lining extending direction, and a lining tie bar 43 vertically connecting the lining main rib 41 and the lining distribution rib 42, and the tunnel lining vibrating device specifically includes a head template 1, a tie bar chute 2, and a vibrating bar 3. Wherein the head formwork 1 is provided at an end of the lining body 4.

The end of the lining body 4 in the present embodiment means an end in the tunnel passage direction which is the extending direction of the tunnel lining body 4, and specifically, the header form 1 is provided on the end face of the lining body 4 as an end form of the lining body 4. In the prior art, the vibration of the tunnel lining is performed from the side of the tunnel, but the embodiment of the present invention is different in that the end of the tunnel lining main body 4 is used as the vibration working surface.

Since the end portion of the tunnel lining body 4 is determined as the vibrating face, the guide rod chute 2 in the present embodiment is inserted from the end portion of the lining body 4 in the extending direction of the lining body 4 to be disposed inside the lining body 4. Specifically, the rod-guiding chute 2 is horizontally arranged on the plane of the lining lacing wire 43. Further, draw excellent spout 2 one end to locate on end template 1, the other end is located and is kept away from the lining cutting lacing wire 43 of end template on, and draw excellent spout 2 one end promptly to fix on end template 1, and the other end is fixed on the most inboard lining cutting lacing wire 43 of lining cutting main part 4, guarantees to draw excellent spout 2's installation stable.

After the installation of the guide rod sliding groove 2 is completed, the vibrating rod 3 is inserted into the lining main body 4 from the end part of the lining main body 4 along the guide rod sliding groove 2, and the vibrating rod 3 is embedded in advance. For this reason, draw excellent spout 2 to set up and be the half cylindrical surface form, its diameter is greater than the stick of vibrating 3 diameters, guarantees that the stick of vibrating 3 can insert in lining cutting main part 4 along drawing excellent spout 2.

In this embodiment, the length of the rod guiding chute 2 is not less than the length of the lining main body 4 in the extending direction, so that the rod guiding chute 2 can be conveniently drawn out from the lining main body 4.

Further, the end template 1 is arranged at the end part of the lining main body 4 in a segmented manner, and each segment of the end template 1 is provided with a corresponding guide rod sliding groove 2 and a corresponding vibrating rod 3. Namely lining cutting main part 4 has divided into a plurality of working layers along its extending direction, vibrates the concrete of lining cutting main part 4 according to a plurality of working layers in proper order to accomplish the work of vibrating of whole lining cutting main part 4, be particularly suitable for the thick condition of lining cutting main part 4.

The tunnel lining vibrating device provided by the embodiment of the utility model comprises the following specific implementation steps:

step 1: after the lining main reinforcement 41, the lining distribution reinforcement 42 and the lining tie bar 43 of the lining main body 4 are bound and the template positioning is completed, the end template 1 is arranged at the end part of the lining main body 4.

Step 2: the rod-guiding sliding chute 2 is inserted into the lining main body 4 from the end of the lining main body 4, and the rod-guiding sliding chute 2 is arranged along the common plane of the lining lacing wires 43 inside the lining main body 4. Specifically, one end of the guide rod sliding groove 2 is lapped on the lining tie bar 43 far away from the end template 1, and the other end of the guide rod sliding groove 2 is lapped on the end template 1 to fix the guide rod sliding groove 2.

And step 3: the vibrating rod 3 is inserted into the lining main body 4 along the rod guiding chute 2.

And 4, step 4: after the vibrating rod 3 is installed in place, the guide rod chute 2 is drawn out from the end part of the lining main body 4, and the vibrating rod 3 is reserved in the lining main body 4.

And 5: after the above work is finished, concrete is poured until the concrete is not poured by the vibrating rod 3.

Step 6: starting the vibrating rod 3, slowly extracting the vibrating rod 3 from the end part of the lining main body 4, and vibrating the concrete passing through the inner plane of the lining main body 4 by the vibrating rod 3.

In this embodiment, end template 1 adopts design steel form or plank, and the steel form wall thickness adopts 2 ~ 4mm, and the plank wall thickness adopts 3 ~ 5mm, template width 20 ~ 30cm, and the gap adopts filling materials such as geotechnological cloth to carry out closely knit between the template.

Draw excellent spout 2 to adopt DN65 steel pipe to cut half the use, or adopt the iron sheet to process into semi-circular, the diameter is not less than the diameter of vibrating rod 3, guarantees that vibrating rod 3 can insert in lining cutting main part 4 along leading excellent spout 2. The length of the rod guiding chute 2 is not less than the pouring length of a lining plate, and is generally 12 m. The vibrator 3 used a 50 vibrator. The lining lacing wires 43 are generally phi 6-phi 12 steel bars, the binding distance is generally 20-50 cm, and if the designed lacing wire distance is too large, the binding lacing wires need to be encrypted.

Furthermore, the end templates 1 are arranged along the end sections of the lining main body 4, namely, a plurality of end templates 1 are respectively arranged along the direction of the lining main reinforcement 41, the distance between the end templates 1 is set to be 50cm, and the upper part of each end template 1 is correspondingly provided with a guide rod sliding groove 2 and a vibrating rod 3. In the embodiment, the end templates 1 are sequentially arranged at the end part of the lining main body 4, the steps 1 to 6 are sequentially carried out according to the arrangement sequence of the end templates 1, and the concrete is sequentially vibrated along the direction of the lining main reinforcement 41.

According to the tunnel lining vibrating device provided by the embodiment of the utility model, the end template 1 is arranged at the end part of the tunnel lining main body 4, the guide rod sliding groove 2 and the vibrating rod 3 are inserted into the end part of the tunnel lining main body 4, the vibrating rod 3 is pre-embedded in the tunnel lining main body 4, and the vibrating is carried out in a mode that the vibrating rod 3 is extracted from the end part of the tunnel lining main body 4, so that the arch part and each part of the tunnel lining can be vibrated, the problem that steel plates laid on the outer side of the lining cannot be constructed normally is solved, and the vibrating efficiency is improved; meanwhile, the vibration from the end part of the lining main body 4 avoids the defect of limited traditional vibration depth, the normal vibration of a thicker lining can be realized, the traditional vibration depth is 20-25 cm, and the vibration requirement of the lining with the thickness of 100cm can be met. The device and the method are also suitable for the conditions that the change of the section of the lining is complex and the change of the thickness of the lining is complex or uneven, and have the characteristics of convenience and quickness in construction, wide application range, high construction efficiency, strong operability and the like.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. A tunnel lining vibrating device, comprising:

the end head template is arranged at the end part of the lining main body;

a guide rod runner inserted into the lining body from an end of the lining body in an extending direction of the lining body;

and the vibrating rod is inserted into the lining main body from the end part of the lining main body along the guide rod sliding groove.

2. The tunnel lining tamping apparatus of claim 1, wherein the lining body includes a lining main rib disposed along a lining surface, a lining distribution rib disposed along a lining extending direction, and a lining tie bar vertically connecting the lining main rib and the lining distribution rib, and the tie bar chute is horizontally disposed on a plane of the lining tie bar.

3. The tunnel lining tamper arrangement of claim 2, wherein said guide bar chutes are provided at one end thereof on said header form and at the other end thereof on a lining tie bar remote from said header form.

4. The tunnel lining tamper arrangement of claim 1, wherein the tamper runner is semi-cylindrical and has a diameter greater than the diameter of the tamper.

5. The tunnel lining tamper apparatus of claim 1, wherein the length of the guide bar runner is not less than the length of the lining main body in the extending direction.

6. The tunnel lining tamper arrangement of any one of claims 1 to 5, wherein said end forms are provided in sections at ends of said lining body, each of said sections being provided with a respective said guide runner and said tamper bar.

7. The tunnel lining tamping apparatus of claim 6, wherein the head formworks are arranged at equal intervals, and the intervals are set to 50 cm.

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